tests: add CLI tests for version output (#664)

internal/tests/cli/boundary/_version.bash

@@ -0,0 +1,19 @@
+function version() {
+  boundary version -format json
+}
+
+function version_is_valid() {
+  ver=$($(strip version) | jq -c '.version' | cut -d 'v' -f2)
+  if [ "$ver" == "null" ]; then
+    return 1
+  fi
+  return 0 
+}
+
+function revision_is_valid() {
+  len=$($(strip version) | jq -c '.revision' | cut -d '+' -f1 | wc -m)
+  if [ "$len" -eq 42 ]; then
+    return 0
+  fi
+  return 1
+}

internal/tests/cli/boundary/version.bats

@@ -0,0 +1,24 @@
+#!/usr/bin/env bats
+
+load _helpers
+load _version
+
+export NEW_USER='test'
+
+@test "boundary/version: can run version command" {
+  run version
+  echo "$output"
+  [ "$status" -eq 0 ]
+}
+
+@test "boundary/version: version output is valid" {
+  run version_is_valid 
+  echo "$output"
+  [ "$status" -eq 0 ]
+}
+
+@test "boundary/version: revision output is valid" {
+  run revision_is_valid 
+  echo "$output"
+  [ "$status" -eq 0 ]
+}